use.httpclient.ts

export const HTTP_INTERCEPTORS_1 = new InjectionToken<HttpInterceptor[]>('HTTP_INTERCEPTORS_1');
export const HTTP_INTERCEPTORS_2 = new InjectionToken<HttpInterceptor[]>('HTTP_INTERCEPTORS_2');

@Injectable()
export class Http1Service extends HttpClient {

  constructor(backend: HttpBackend, private injector: Injector) {
    super(new MyHandlerService(backend, injector, HTTP_INTERCEPTORS_1));
  }
}

@Injectable()
export class Http2Service extends HttpClient {
  constructor(backend: HttpBackend, private injector: Injector) {
    super(new MyHandlerService(backend, injector, HTTP_INTERCEPTORS_2));
  }
}

@NgModule({
  providers: [
    Int1Interceptor, Int2Interceptor, Int3Interceptor,
    {provide: HTTP_INTERCEPTORS_1, useClass: Int1Interceptor, multi: true},
    {provide: HTTP_INTERCEPTORS_2, useClass: Int2Interceptor, multi: true},
    {provide: HTTP_INTERCEPTORS_2, useClass: Int3Interceptor, multi: true},
    Http1Service, Http2Service,
  ],
  bootstrap: [AppComponent]
})
export class AppModule {
}